Archived posting to the Leica Users Group, 1999/06/28

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Subject: Re: [Leica] Fluorescent filtration
From: InfinityDT@aol.com
Date: Mon, 28 Jun 1999 12:21:38 EDT

In a message dated 6/28/99 11:59:05 AM Eastern Daylight Time, 
robslaurat@earthlink.net writes:

<< Try though I will to avoid it, I may find myself in a situation soon
 where I will be shooting chromes under fluorescent lighting.  What are
 the popular recommendations for on-the-fly filtration.  I'm not going
 to have the time to carefully correct the lights; I just need to tone
 down the green.  Anyone have experience with the B+W FL-Day?  What
 about a CC40M?  (No one seems to have off-the-rack 39mm and 46mm
 CC30M's).
 
 Thanks,
 Rob Schneider >>

I use FL-D's, they work fairly well.  There's also a FL-W (for the "warm 
white" fluorescents).  The crux of the problem CC'ing fluorescent lighting is 
that many places end up with a mixture of cools, warms, and daylights, and 
that is further compounded by the fact that fluorescents change color balance 
over time as they're used (and many are on 24/7).  (In my office we use 
Duro-Test Daylight fluorescents and change them annually.  By the changeover 
date, they've developed a noticeable greenish cast.)  Bottom-line is if color 
correction is a major issue it pays to have a color meter and a full set of 
cc filters.  Otherwise you'll probably end up with some slight cast no matter 
what.  Nowadays it can usually be removed digitally.
 

DT